Used to denote situations or questions which are found to be impossible to accomplish or extremely difficult to answer. Sometimes used sarcastically (see sarcasm ) toughie means "tough one." Or "hard."

Term used to describe something remotely challenging. Often used in a context where someone doesn't really have the willpower or enthusiasm to carry out a task even though they have the ability both physically and mentally to perform it.

"Hmmm, it's a bit of a toughie this one".

"Did you do the homework? I tried doing most of it, it was a toughie".